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Innovative features for interference-free IPTV reception
Internet TV, also known as IPTV, is the third service provided to users in the triple play application in addition to voice (VoIP) ...[Details]
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This article provides a switching power supply circuit diagram composed of TEA1521. The circuit works in flyback mode and is widely used in many DVD switching power supplies. Moreover, the circuit ...[Details]
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Ceramic filters are divided into two categories according to their amplitude-frequency characteristics: band-stop filters (also known as notch filters) and band-pass filters (also known as filters)...[Details]
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If nothing unexpected happens, Huawei will officially release the Huawei Kirin 990 chip at the IFA exhibition on September 9. As usual, it will still be first launched on the latest Mate series, that...[Details]
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In the previous article, we introduced in detail how to drive LCD. It is not difficult to display various simple graphics on the LCD screen. But how to draw characters?
In fact, each character is ...[Details]
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It is easy to construct a constant voltage bias circuit for a photoresistor using a transistor. Figure 2-14 shows a typical constant voltage bias circuit for a photoresistor. The current IP out...[Details]
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Surge protector, also called lightning arrester, is an electronic device that provides safety protection for various electronic equipment, instruments and communication lines. When a spike current ...[Details]
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dragon12345666's column Catalog View Summary View subscription Asynchronous book giveaway: Kotlin leads 10 good books SDCC 2017 Blockchain Technology Practice Online Summit ...[Details]
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Write a program to complete the following logical functions: Q = XYZ\F + XY\ZF + X\YZF + XYZF (\Y means Y is not, \Z means Z is not, etc.) This logical expression can be simplified to: Q = XYZ + ...[Details]
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Huawei officially released its annual flagship Huawei P30 and Huawei P30 Pro. The former is equipped with a 6.2-inch OLED screen with a resolution of 2340x1080, and the latter is equipped with...[Details]
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Capacitors
The common marking method is direct marking, and the commonly used units are pF and μF, which are easy to recognize. However, some small-capacity
capacitors
are marked with...[Details]
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June 29, 2021 - MEMSIC Semiconductor, a world-leading MEMS product company, released its independently developed new product - the MHA100/150/160 series of ultra-low power Hall switch sensors for I...[Details]
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1. Basic knowledge Briefly introduce the hardware resources of the ATmega16 microcontroller, as well as the use of IAR software and the basic operations of Proteus8.9 simulation software. AVR micro...[Details]
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C Code
Machine B program:
/*************** writer:shopping.w ******************/
#include reg52.h
#define uint unsigned int
#define uchar unsigned char
sbit LED1 = P0^0;
sbit LED2 = P0^3; ...[Details]
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In recent years, electric vehicle technology, especially its battery technology, has developed rapidly. This article will explore the 11 most common misconceptions about electric vehicle (EV) bat...[Details]